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Technical Data Sheet
PartsTable / MRO / 50-423
50-423 ✓ Verified by PartsTable
Microconnect · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

With MicroConnect you get:<br>- Great products at a great value<br>- Short delivery time<br>- Easy access to the part you want through our cable guide. Key specifications include shape: STRAIGHT, length: 1.625 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: STEEL OVERALL, body_style: TUBE TYPE, case_style: SQUARE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-286-9940, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 50-423
NSN: 5330-00-286-9940
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
shapeSTRAIGHT
length1.625 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialSTEEL OVERALL
body_styleTUBE TYPE
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
overall_width30.000 INCHES MAXIMUM IN
mounting_shankINCLUDED
overall_height24.700 INCHES NOMINAL IN
overall_length17.200 INCHES NOMINAL IN
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN5330-00-286-9940
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50-423 MFR: Microconnect ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ACCOMMODATED SHAFT DIAMETER: 1.500 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.756 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: SQUARE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER1.500 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.756 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.438 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1287ABQ2-1-2PC14Interchangeable
interchangeable cross-reference
interchangeable
70-75PC14Interchangeable
interchangeable cross-reference
interchangeable
70-74PC14Interchangeable
interchangeable cross-reference
interchangeable
668Interchangeable
interchangeable cross-reference
interchangeable
2S8727Interchangeable
interchangeable cross-reference
interchangeable
1500716Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50-423?
50-423 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by Microconnect. It is classified as a MRO (MRO_GENERAL).
What parts can replace 50-423?
There are 23 known substitutes for 50-423: 1287ABQ2-1-2PC14, 70-75PC14, 70-74PC14 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50-423?
50-423 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-286-9940. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026